<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body style="margin: 0 auto">
<div>
    <div style="height: 30px;background-color: aquamarine"></div>
    <form action="/index" method="post">
        <input type="text" name="username" placeholder="用户名"/>
        <input type="text" name="email" placeholder="邮箱"/>
        <input type="text" name="gender" placeholder="性别"/>
        <input type="submit" value="添加">
    </form>
    <table>
        {% for row in user_list %}
        <tr>
            <td>{{ row.username }}</td>
            <td>{{ row.email }}</td>
            <td>{{ row.gender }}</td>
        </tr>
        {% endfor %}
    </table>
</div>
</body>
</html>